Welcome to Centre Ob/Gyn We try our very best to extend personalized care to each and every patient. The physicians maintain privileges at Rex Healthcare, where we perform all of our deliveries, obstetrical and gynecological surgeries as well as other related Obstetrical and Gynecological procedures. We offer on-site mammograms, IUDs, in-office procedures & ultrasounds, ESSURE, NOVASURE, Robotic Surgery, in-office Bone Density Scans and so much more.Established in 1933.Founded by Dr. Robert Ruark in 1933, Ruark Obstetrics and Gynecology was established as Raleigh’s first Obstetrics and Gynecology practice.